• January 6 - Joseph, son of Emperor Leopold I becomes King of the Romans[?]
• January 14 - The clarinet is invented in Nuremberg, Germany
• May 20 - England passes Act of Grace[?], forgiving followers of James II
• July 1 - The Battle of the Boyne in Ireland between the armies of two rival Kings: Catholic James II of England, Scotland and Ireland, and Protestant William III of England, Scotland and Ireland. The Protestant army is victorious and the Catholics loose control over Ireland.
• Earliest recorded sighting of the planet Uranus, by John Flamsteed, who mistakenly catalogued it as the star 34 Tauri

Births

• March 18 - Christian Goldbach (Prussian mathematician)

Deaths